Vitreous sponge

Definitions

  • Webster's Revised Unabridged Dictionary
    • Vitreous sponge (Zoöl) any one of numerous species of siliceous sponges having, often fibrous, glassy spicules which are normally six-rayed; a hexactinellid sponge. See Venus's basket, under Venus.
    • Vitreous sponge See Glass-sponge.
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